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the u.s. national security agency is collecting billions of records of mobile phone locations from around the world every day. it is provided by edward snowden. we explain how a horrible phone can be turned into a tracking device. >> wherever you are in the world, as soon as you switch on your mobile phone, it tries to connect to the mobile network at the closest tower. when it does, your phone number is logged by the network, along with the tower you connected to, which means your location. if you're on the move, anyone with access to this information can track your route. the latest revelations suggest the n.s.a. is doing much more than just tracking individual suspects. by gathering and processing around 5 billion records each day, it is able to see which individuals are meeting or tracking together. >> you might be connected to a tower along with 100 other people. you move down the street and automatically you, fuel find connects to the next closest tower. let's say 20 of the 100 are moving the same direction you. move further down the road and say just five of the original 100
. and the "washington post" reported the national security agency collects roughly five billion records a day on the location of cell phones worldwide, based on documents leaked by former n.s.a. contractor edward snowden. >> woodruff: on the "newshour" online right now, archaeologists have discovered that we're all mutts. new tests on the oldest-known human d.n.a. reveal that homo sapiens have more ancestors than we had previously thought. read about that on our science page. all that and more is on our website >> ifill: and that's the "newshour" for tonight. on thursday, fast-food workers plan strikes in 100 cities across the country to protest low-wages. i'm gwen ifill. >> woodruff: and i'm judy woodruff. we'll see you online and again here tomorrow evening. for all of us here at the "pbs newshour," thank you and good night. >> major funding for the pbs newshour has been provided by: ♪ ♪ moving our economy for 160 years. bnsf, the engine that connects us. >> support also comes from carnegie corporation of new york, a foundation created to do what andrew carnegie calle
Search Results 0 to 1 of about 2